Spark Plug

NGK 5476 4PK ILTR5D Laser Iridium Spark Plug delivers high performance ignition and long lasting reliability. Featuring a laser welded iridium center electrode and a platinum ground electrode, this plug ensures consistent sparks, excellent combustion, and extended service life. Designed for motorcycles, it includes a sealing ring and extended insulator nose to prevent soot build up, flashover, and combustion gas leakage. Wavy insulator ribs help eliminate misfires, while faster starts and improved acceleration enhance overall engine performance.